I had the same problem with a clean 14.04 installation. However, I changed my drivers from the open source (xserver-xorg-video-ati) to the propietary driver (fglrx-updates), and the hot corners seem to work everytime I reboot. I have a HD Radeon 7670M graphics card.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1305438 Title: hot corners stop working time to time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1305438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs